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Virtualization

ID	Contact Title	Contact Name	Country	Rating


1	Accounting Manager	Elizabeth Lincoln	Austria	1 2 3 4 5
2	Sales Consultant	Patricio Simpson	USA	1 2 3 4 5
3	Sales Associate	Jaime Yorres	Spain	1 2 3 4 5
4	Sales Representative	Elizabeth Lincoln	Bulgaria	1 2 3 4 5
5	Sales Representative	Hanna Moos	USA	1 2 3 4 5
6	Sales Manager	Jaime Yorres	France	1 2 3 4 5
7	Marketing Assistant	Georg Pipps	England	1 2 3 4 5
8	Sales Associate	Jaime Yorres	Italy	1 2 3 4 5
9	Sales Agent	Howard Snyder	Bulgaria	1 2 3 4 5
10	Owner	Antonio Moreno	Italy	1 2 3 4 5
11	Sales Associate	Howard Snyder	Austria	1 2 3 4 5
12	Marketing Assistant	Hanna Moos	Brazil	1 2 3 4 5
13	Owner	Elizabeth Lincoln	France	1 2 3 4 5
14	Marketing Manager	Paul Henriot	France	1 2 3 4 5
15	Marketing Manager	Georg Pipps	England	1 2 3 4 5
16	Accounting Manager	Jaime Yorres	Italy	1 2 3 4 5
17	Accounting Manager	Jaime Yorres	Italy	1 2 3 4 5
18	Owner	Paul Henriot	Austria	1 2 3 4 5
19	Sales Agent	Hanna Moos	Bulgaria	1 2 3 4 5
20	Sales Representative	Elizabeth Lincoln	Bulgaria	1 2 3 4 5
21	Sales Associate	Howard Snyder	Italy	1 2 3 4 5
22	Sales Consultant	Patricio Simpson	Germany	1 2 3 4 5
23	Accounting Manager	Jaime Yorres	France	1 2 3 4 5
24	Marketing Assistant	Patricio Simpson	Italy	1 2 3 4 5
25	Sales Agent	Elizabeth Lincoln	Germany	1 2 3 4 5
26	Accountant	Antonio Moreno	Austria	1 2 3 4 5
27	Sales Representative	Pascale Cartrain	Germany	1 2 3 4 5
28	Accounting Manager	Elizabeth Lincoln	Argentina	1 2 3 4 5
29	Sales Manager	Jaime Yorres	Germany	1 2 3 4 5
30	Sales Agent	Patricio Simpson	Bulgaria	1 2 3 4 5
31	Marketing Manager	Matti Karttunen	France	1 2 3 4 5
32	Owner	Antonio Moreno	England	1 2 3 4 5
33	Marketing Assistant	Antonio Moreno	Bulgaria	1 2 3 4 5
34	Sales Representative	Antonio Moreno	Austria	1 2 3 4 5
35	Sales Consultant	Hanna Moos	Argentina	1 2 3 4 5
36	Sales Consultant	Howard Snyder	USA	1 2 3 4 5
37	Owner	Georg Pipps	England	1 2 3 4 5
38	Sales Associate	Elizabeth Lincoln	Spain	1 2 3 4 5
39	Owner	Pascale Cartrain	Germany	1 2 3 4 5
40	Accounting Manager	Patricio Simpson	Bulgaria	1 2 3 4 5
41	Marketing Manager	Matti Karttunen	Spain	1 2 3 4 5
42	Sales Agent	Hanna Moos	Brazil	1 2 3 4 5
43	Sales Representative	Matti Karttunen	France	1 2 3 4 5
44	Marketing Assistant	Howard Snyder	Spain	1 2 3 4 5
45	Marketing Assistant	Hanna Moos	England	1 2 3 4 5
46	Accountant	Elizabeth Lincoln	Bulgaria	1 2 3 4 5
47	Owner	Antonio Moreno	USA	1 2 3 4 5
48	Accountant	Antonio Moreno	Bulgaria	1 2 3 4 5
49	Sales Associate	Paul Henriot	Germany	1 2 3 4 5
50	Marketing Manager	Jaime Yorres	Bulgaria	1 2 3 4 5
51	Sales Associate	Pascale Cartrain	Brazil	1 2 3 4 5
52	Accounting Manager	Patricio Simpson	Brazil	1 2 3 4 5
53	Sales Consultant	Antonio Moreno	Bulgaria	1 2 3 4 5
54	Marketing Assistant	Elizabeth Lincoln	Spain	1 2 3 4 5
55	Marketing Assistant	Antonio Moreno	England	1 2 3 4 5
56	Accountant	Matti Karttunen	France	1 2 3 4 5
57	Marketing Manager	Patricio Simpson	Spain	1 2 3 4 5
58	Sales Agent	Antonio Moreno	England	1 2 3 4 5
59	Sales Agent	Georg Pipps	Austria	1 2 3 4 5
60	Sales Agent	Georg Pipps	Bulgaria	1 2 3 4 5
61	Marketing Assistant	Pascale Cartrain	Brazil	1 2 3 4 5
62	Accounting Manager	Patricio Simpson	France	1 2 3 4 5
63	Owner	Hanna Moos	Bulgaria	1 2 3 4 5
64	Marketing Manager	Elizabeth Lincoln	France	1 2 3 4 5
65	Sales Manager	Patricio Simpson	Italy	1 2 3 4 5
66	Sales Associate	Elizabeth Lincoln	Bulgaria	1 2 3 4 5
67	Sales Associate	Hanna Moos	England	1 2 3 4 5
68	Accounting Manager	Matti Karttunen	Germany	1 2 3 4 5
69	Sales Representative	Patricio Simpson	USA	1 2 3 4 5
70	Accountant	Jaime Yorres	England	1 2 3 4 5
71	Marketing Manager	Georg Pipps	England	1 2 3 4 5
72	Accounting Manager	Hanna Moos	Argentina	1 2 3 4 5
73	Sales Manager	Paul Henriot	Italy	1 2 3 4 5
74	Accounting Manager	Howard Snyder	USA	1 2 3 4 5
75	Sales Associate	Hanna Moos	Austria	1 2 3 4 5
76	Sales Associate	Jaime Yorres	Austria	1 2 3 4 5
77	Owner	Hanna Moos	Germany	1 2 3 4 5
78	Marketing Manager	Pascale Cartrain	Argentina	1 2 3 4 5
79	Accounting Manager	Antonio Moreno	England	1 2 3 4 5
80	Sales Manager	Howard Snyder	Austria	1 2 3 4 5
81	Sales Associate	Antonio Moreno	Italy	1 2 3 4 5
82	Accounting Manager	Matti Karttunen	USA	1 2 3 4 5
83	Sales Representative	Antonio Moreno	Austria	1 2 3 4 5
84	Sales Representative	Howard Snyder	Brazil	1 2 3 4 5
85	Sales Consultant	Elizabeth Lincoln	Austria	1 2 3 4 5
86	Marketing Manager	Hanna Moos	Italy	1 2 3 4 5
87	Sales Representative	Pascale Cartrain	USA	1 2 3 4 5
88	Accounting Manager	Georg Pipps	Brazil	1 2 3 4 5
89	Sales Manager	Antonio Moreno	Germany	1 2 3 4 5
90	Sales Agent	Elizabeth Lincoln	Austria	1 2 3 4 5
91	Sales Agent	Jaime Yorres	Italy	1 2 3 4 5
92	Sales Consultant	Paul Henriot	Italy	1 2 3 4 5
93	Sales Associate	Patricio Simpson	England	1 2 3 4 5
94	Accountant	Jaime Yorres	Germany	1 2 3 4 5
95	Sales Associate	Howard Snyder	Austria	1 2 3 4 5
96	Marketing Manager	Georg Pipps	Bulgaria	1 2 3 4 5
97	Accountant	Elizabeth Lincoln	Spain	1 2 3 4 5
98	Marketing Manager	Georg Pipps	Bulgaria	1 2 3 4 5
99	Accountant	Elizabeth Lincoln	Germany	1 2 3 4 5
100	Sales Consultant	Hanna Moos	Italy	1 2 3 4 5


...151 152 153 154 155 156 157 158 159 160 ... Item 157001 to 158000 of 300000 Page: of 300 GoPage size:

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Columns
- ID
- Contact Title
- Contact Name
- Country
- Rating

About this demo
C#
VB
Download demo code files
Isolate this demo as a stand-alone application

RadGrid's virtualization feature allows you to handle hundreds of thousands of rows without negatively impacting the user experience. The control achieves this thanks to its ItemsPerView property allowing you to control the number of items loaded at a time. Users can now scroll, as well as show, hide, resize and reorder columns without any waiting time.

This demo shows how quickly Telerik's ASP.NET DataGrid can handle user interactions with 300,000 items. You can configure the component to allow scrolling through the entire data set or only through the current page by using EnableCurrentPageScrollOnly property,.

<%@ Page Language="c#" CodeFile="DefaultCS.aspx.cs" Inherits="Telerik.GridExamplesCSharp.Performance.Virtualization.DefaultCS" %>

<%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
<%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head runat="server">
    <title>Telerik ASP.NET Example</title>
    <link href="styles.css" rel="stylesheet" />
</head>
<body>
    <form id="form1" runat="server">
    <telerik:RadScriptManager runat="server" ID="RadScriptManager1" />
    <telerik:RadSkinManager ID="RadSkinManager1" runat="server" ShowChooser="true" />
    <telerik:RadAjaxLoadingPanel runat="server" ID="RadAjaxLoadingPanel1"></telerik:RadAjaxLoadingPanel>
    <telerik:RadAjaxPanel runat="server" ID="RadAjaxPanel" LoadingPanelID="RadAjaxLoadingPanel1" CssClass="demo-container">
        <telerik:RadGrid RenderMode="Lightweight" ID="RadGrid1" runat="server"  AutoGenerateColumns="false"
            AllowSorting="true" GroupingEnabled="false"
            EnableHeaderContextMenu="true" AllowPaging="true" PageSize="1000" OnNeedDataSource="RadGrid1_NeedDataSource">
            <MasterTableView TableLayout="Fixed">
                <Columns>
                    <telerik:GridBoundColumn UniqueName="ID" HeaderText="ID" HeaderStyle-Width="50px" DataField="ID"></telerik:GridBoundColumn>
                    <telerik:GridBoundColumn UniqueName="ContactTitle" HeaderText="Contact Title" HeaderStyle-Width="150px" DataField="ContactTitle"></telerik:GridBoundColumn>
                    <telerik:GridBoundColumn UniqueName="ContactName" HeaderText="Contact Name" HeaderStyle-Width="150" DataField="ContactName"></telerik:GridBoundColumn>
                    <telerik:GridBoundColumn UniqueName="Country" HeaderText="Country" HeaderStyle-Width="100px" DataField="Country"></telerik:GridBoundColumn>
                    <telerik:GridRatingColumn UniqueName="Rating" HeaderText="Rating" HeaderStyle-Width="100px" DataField="Rating"></telerik:GridRatingColumn>
                </Columns>
            </MasterTableView>
            <ClientSettings ReorderColumnsOnClient="true" AllowColumnsReorder="true" ColumnsReorderMethod="Reorder">
                <Virtualization EnableVirtualization="true" InitiallyCachedItemsCount="2000"
                    LoadingPanelID="RadAjaxLoadingPanel1" ItemsPerView="100"/>
                <Scrolling AllowScroll="true" UseStaticHeaders="true" ScrollHeight="500px" />
                <Resizing AllowColumnResize="true" />
            </ClientSettings>
            <PagerStyle Mode="NextPrevNumericAndAdvanced"></PagerStyle>
        </telerik:RadGrid>
    </telerik:RadAjaxPanel>
    </form>
</body>
</html>

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